您要查找的是不是：
- Isotopic ages of the cumulate xenoliths and their host dioritehave been systematically measured by means of whole rock Rb Sr isochron, K Ar and 40Ar 39Ar techniques and 8 ages are obtained. 分别用Rb Sr法、K Ar法和Ar Ar法 ,对堆晶岩捕虏体及其寄主岩全岩或单矿物进行了详细的同位素地质年代学研究 ,共获得各种年龄数据8件。
- A suit of 40Ar/39Ar samples have been studied on the release of 40Ar(40Ar+ 40ArE) and 39Ar and show three patterns of curve of 4oAr and 39Ar released. 对具有不同地质历史背景的3类40Ar/39Ar法样品中的40Ar和39Ar释出特征进行对比，研究结果表明，40Ar/39Ar法样品中的40Ar、39Ar释气曲线主要表现为以下3种形式：完全重合型、过剩氩型和不规则型。
- A typical pattern of the behavior of 40Ar and 39Ar released from 40Ar/39Ar samples which have excess 40Ar is presented in this paper. 对于40Ar、39Ar释气曲线呈过剩氩型的样品，40Ar/39Ar法年龄谱通常呈马鞍形，且马鞍形年龄谱的底部年龄一般都具有地质意义，代表了岩体的形成年龄。
- Isotopic geochronology and geochemistry II. 同位素地质年代学与地球化学2。
- The determination of mineralization age for quartz started in 1986 byusing 40Ar- 39Ar step heating technique. 40 Ar 3 9Ar阶段加热法测定石英年龄始于 1986年。
- These dating metnods have made great progress in the quaternary geochronology and isotopic geoscience. 这些定年方法在第四纪地质年代学和同位素地质科学中获得了很大进展。
- This paper studied the geochronology of sandstone-type uranium deposit in the Dongsheng area of Ordos Basin. 文章研究了鄂尔多斯盆地东胜地区砂岩型铀矿成矿年代学特征。
- Neverthe less, geochronology of Mesozoic reservoirs in this area was rarely studied in the past years. 但有 关该区中生界油藏的成藏年代学研究以往则开展很少。
- Following the development of experimentation and testing technique, methods of 40Ar- 39Ar, Rb-Sr, Sm-Nd applied in precision dating of MVT Pb-Zn deposits. 随着实验技术和测试手段的不断发展和提高 ,4 0 Ar 3 9Ar法、Rb Sr法和Sm Nd法将在MVT矿床精确定年中得到广泛应用
- His doctoral thesis was devoted to the geochemistry, geochronology and nuclear chemistry of the noble gases xenon and krypton. 他的博士论文专门探讨关于惰性气体氙与氪的地球化学、地质年代学以及核化学。
- There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry. 这里有37讲，主要是地质年代学、放射性同位素地球化学和稳定同位素地球化学。
- The determination of the absolute age of rocks,minerals and fossils, in years before the present, is the basis for the field of geochronology. 对各种岩石、矿物及化石的绝对年龄（距今以前的年数）的测定是地质年代学领域的基础。
- Zircon geochronology and geochemistry of mafic xenoliths from Liaoning kimberlites：Track the early evolution of the lower crust, North China Craton. 辽宁金伯利岩变基性岩石捕虏体地球化学及锆石年代学: 示踪华北下地壳早期演化。
- Geochronology of Cretaceous A-type granitoids or alkaline intrusive rocks in the hinterland, South China: constraints for late-Mesozoic tectonic evolution. 华南腹地白垩纪A型花岗岩类或碱性侵入岩年代学及其对华南晚中生代构造演化的制约
- Great progress has been made on finishing concrete technology in foreign countries, but the geochronology development is juvenility and faultiness in our country. 国外已经取得了相对成熟的饰面混凝土技术，但国内技术还很不成熟、很不完善；
- Studies on petrochemistry, geochronology of diagenetic and ore formation, mineralization and ore assessment of Baogutu porphyry copper deposit were done. 本论文分别从矿床地质、岩石化学、成岩成矿年代、成矿作用等方面对包古图斑岩铜矿床做了系统研究。
- Li Xianhua.The SHRIMP U-Pb zircon geochronology of Paleo-Proterozoic plagioclass-amphibolite in the Zhejiang-Fujian area.Geochimica, 1998, 27(4): 327-334 (in Chinese). [34]李献华.;闽浙古元古代斜长角闪岩的离子探针锆石U-Pb年代学
- LUO Xiu-quan, CHEN Qi-tong.Preliminary study on geochronology for Cenozoic basalts from Inner Mongolia[J].Acta Petrologica et Mineralogica, 1990, 9 (1):37 - 46. [1]罗修泉;陈启桐.;内蒙古新生代玄武岩年代学初步研究[J]
- The cooperation of multiple braches, such as geophysics, geochemistry, geochronology and metamorphic geology, has greatly promoted the studying of mesoscopic structures. 与地球物理、地球化学、变质地质学和地质年代等多学科的配合极大地促进了构造地质学的发展。
- The succession,division and correlation of these strata are studied with lithostratigraphy, biostratigraphy and isotopic geochronology methods and by the combination of of point, line and area. 采取点、线、面相结合，岩石地层学、生物地层学和同位素年代学相结合的工作方法，研究了这套地层的层序、划分和对比问题；
